NorenKooper
New member
I have a 2008 Optimax 150 that will not consistently open up beyond 4000 rpm.* Occasionally, I can run the 9.9 kicker motor, then the big motor will run at 6000 rpm.* The next time I put the boat on the water, the problems start all over again.*
I took it into the shop and got new spark plugs and a new fuel separator.* I had a diagnostics ran on the motor and it came back perfect with only 54 hours on it.**
I was told instead of teeing the kicker motor fuel line directly into the big motor fuel line, I needed to put a brass tee in with valves so that I could shut off the fuel line that wasn't being used.* I was told the big motor was pulling air back through the kicker motor fuel line.**
I did*that and that didn't work.* It still takes me running the kicker motor first to get the big motor to run at 6000 rpm.* The next thing I did was replace the primer ball on the fuel line to the big motor because it would not get hard.* That still didn't do the trick.* Now, I've been told to check the low pressure fuel pump.* Can anyone give me any advice on this?* Thanks.
I took it into the shop and got new spark plugs and a new fuel separator.* I had a diagnostics ran on the motor and it came back perfect with only 54 hours on it.**
I was told instead of teeing the kicker motor fuel line directly into the big motor fuel line, I needed to put a brass tee in with valves so that I could shut off the fuel line that wasn't being used.* I was told the big motor was pulling air back through the kicker motor fuel line.**
I did*that and that didn't work.* It still takes me running the kicker motor first to get the big motor to run at 6000 rpm.* The next thing I did was replace the primer ball on the fuel line to the big motor because it would not get hard.* That still didn't do the trick.* Now, I've been told to check the low pressure fuel pump.* Can anyone give me any advice on this?* Thanks.